What is the Dietetics, Nutrition and research Unit? Published on 05/08/2019 Since MD Anderson Cancer Center Madrid – Hospiten opened its doors in the year 2000, the Dietetics, Nutrition and Research Unit (DNRU) has been working. At present it is dependent on the Endocrinology and Nutrition Department and every year deals with an average of 1,200 patients, all cancer patients from our hospital and other centers referred from around Spain and Europe for support care.